<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style type="text/css">
    	*{margin:0; padding:0;}
    	.box{
    		 width: 100px;
    		 height: 500px;
    		 position:absolute;
    		 top:0px;
    		 bottom:0px;
    		 left: 0px;
    		 right: 0px;
    		 margin: auto 0px;
    		 background-color:red; 
    	}
    </style>
</head>
<body>
 <div class="box">
 	
 </div>

</body>
</html>